Romans 14:23
but if he may eat doubting, he has been condemned, because it is not of faith; but every thing which is not of faith is sin.
Romans 13:2
So the one resisting the authority, antagonizes the ordinance of God: and those antagonizing shall receive to themselves judgment.
1 Corinthians 8:7
But there is not knowledge in all people: but some, with the conscience of the idol even until now, eat as if it was sacrificed to the idol; and their conscience being weak is polluted.
1 Corinthians 11:29-31
for the one eating and drinking, net discerning the body, eats and drinks condemnation to himself.
Romans 14:5
For one indeed judges a day above a day: another judges every day (alike); let each one be fully persuaded in his own mind.
Titus 1:15
To the pure all things are pure: but to the corrupted and unbelieving there is nothing pure; yea, their mind and their conscience are polluted.
Hebrews 11:6
but without faith it is impossible to please him: for it behooves the one coming unto God to believe that he is, and he is a rewarder unto them who seek him out.